diff --git a/index.d.ts b/index.d.ts
index 8d655d4..8415b82 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -3,4 +3,4 @@ interface ComponentSize {
   height: number
 }
 
-export default function useComponentSize<T = any>(ref: React.RefObject<T>): ComponentSize
+export default function useComponentSize(ref: React.RefObject<Element>): ComponentSize